pxa-regs.h

u-boot 源代码

#define DDADR13		__REG(0x400002d0)  /* DMA Descriptor Address Register Channel 13 */
#define DSADR13		__REG(0x400002d4)  /* DMA Source Address Register Channel 13 */
#define DTADR13		__REG(0x400002d8)  /* DMA Target Address Register Channel 13 */
#define DCMD13		__REG(0x400002dc)  /* DMA Command Address Register Channel 13 */
#define DDADR14		__REG(0x400002e0)  /* DMA Descriptor Address Register Channel 14 */
#define DSADR14		__REG(0x400002e4)  /* DMA Source Address Register Channel 14 */
#define DTADR14		__REG(0x400002e8)  /* DMA Target Address Register Channel 14 */
#define DCMD14		__REG(0x400002ec)  /* DMA Command Address Register Channel 14 */
#define DDADR15		__REG(0x400002f0)  /* DMA Descriptor Address Register Channel 15 */
#define DSADR15		__REG(0x400002f4)  /* DMA Source Address Register Channel 15 */
#define DTADR15		__REG(0x400002f8)  /* DMA Target Address Register Channel 15 */
#define DCMD15		__REG(0x400002fc)  /* DMA Command Address Register Channel 15 */

#define DDADR(x)	__REG2(0x40000200, (x) << 4)
#define DSADR(x)	__REG2(0x40000204, (x) << 4)
#define DTADR(x)	__REG2(0x40000208, (x) << 4)
#define DCMD(x)		__REG2(0x4000020c, (x) << 4)

#define DDADR_DESCADDR	0xfffffff0	/* Address of next descriptor (mask) */
#define DDADR_STOP	(1 << 0)	/* Stop (read / write) */

#define DCMD_INCSRCADDR (1 << 31)	/* Source Address Increment Setting. */
#define DCMD_INCTRGADDR (1 << 30)	/* Target Address Increment Setting. */
#define DCMD_FLOWSRC	(1 << 29)	/* Flow Control by the source. */
#define DCMD_FLOWTRG	(1 << 28)	/* Flow Control by the target. */
#define DCMD_STARTIRQEN (1 << 22)	/* Start Interrupt Enable */
#define DCMD_ENDIRQEN	(1 << 21)	/* End Interrupt Enable */
#define DCMD_ENDIAN	(1 << 18)	/* Device Endian-ness. */
#define DCMD_BURST8	(1 << 16)	/* 8 byte burst */
#define DCMD_BURST16	(2 << 16)	/* 16 byte burst */
#define DCMD_BURST32	(3 << 16)	/* 32 byte burst */
#define DCMD_WIDTH1	(1 << 14)	/* 1 byte width */
#define DCMD_WIDTH2	(2 << 14)	/* 2 byte width (HalfWord) */
#define DCMD_WIDTH4	(3 << 14)	/* 4 byte width (Word) */
#define DCMD_LENGTH	0x01fff		/* length mask (max = 8K - 1) */

/* default combinations */
#define DCMD_RXPCDR	(DCMD_INCTRGADDR|DCMD_FLOWSRC|DCMD_BURST32|DCMD_WIDTH4)
#define DCMD_RXMCDR	(DCMD_INCTRGADDR|DCMD_FLOWSRC|DCMD_BURST32|DCMD_WIDTH4)
#define DCMD_TXPCDR	(DCMD_INCSRCADDR|DCMD_FLOWTRG|DCMD_BURST32|DCMD_WIDTH4)

/*
 * UARTs
 */
/* Full Function UART (FFUART) */
#define FFUART		FFRBR
#define FFRBR		__REG(0x40100000)  /* Receive Buffer Register (read only) */
#define FFTHR		__REG(0x40100000)  /* Transmit Holding Register (write only) */
#define FFIER		__REG(0x40100004)  /* Interrupt Enable Register (read/write) */
#define FFIIR		__REG(0x40100008)  /* Interrupt ID Register (read only) */
#define FFFCR		__REG(0x40100008)  /* FIFO Control Register (write only) */
#define FFLCR		__REG(0x4010000C)  /* Line Control Register (read/write) */
#define FFMCR		__REG(0x40100010)  /* Modem Control Register (read/write) */
#define FFLSR		__REG(0x40100014)  /* Line Status Register (read only) */
#define FFMSR		__REG(0x40100018)  /* Modem Status Register (read only) */
#define FFSPR		__REG(0x4010001C)  /* Scratch Pad Register (read/write) */
#define FFISR		__REG(0x40100020)  /* Infrared Selection Register (read/write) */
#define FFDLL		__REG(0x40100000)  /* Divisor Latch Low Register (DLAB = 1) (read/write) */
#define FFDLH		__REG(0x40100004)  /* Divisor Latch High Register (DLAB = 1) (read/write) */

/* Bluetooth UART (BTUART) */
#define BTUART		BTRBR
#define BTRBR		__REG(0x40200000)  /* Receive Buffer Register (read only) */
#define BTTHR		__REG(0x40200000)  /* Transmit Holding Register (write only) */
#define BTIER		__REG(0x40200004)  /* Interrupt Enable Register (read/write) */
#define BTIIR		__REG(0x40200008)  /* Interrupt ID Register (read only) */
#define BTFCR		__REG(0x40200008)  /* FIFO Control Register (write only) */
#define BTLCR		__REG(0x4020000C)  /* Line Control Register (read/write) */
#define BTMCR		__REG(0x40200010)  /* Modem Control Register (read/write) */
#define BTLSR		__REG(0x40200014)  /* Line Status Register (read only) */
#define BTMSR		__REG(0x40200018)  /* Modem Status Register (read only) */
#define BTSPR		__REG(0x4020001C)  /* Scratch Pad Register (read/write) */
#define BTISR		__REG(0x40200020)  /* Infrared Selection Register (read/write) */
#define BTDLL		__REG(0x40200000)  /* Divisor Latch Low Register (DLAB = 1) (read/write) */
#define BTDLH		__REG(0x40200004)  /* Divisor Latch High Register (DLAB = 1) (read/write) */

/* Standard UART (STUART) */
#define STUART		STRBR
#define STRBR		__REG(0x40700000)  /* Receive Buffer Register (read only) */
#define STTHR		__REG(0x40700000)  /* Transmit Holding Register (write only) */
#define STIER		__REG(0x40700004)  /* Interrupt Enable Register (read/write) */
#define STIIR		__REG(0x40700008)  /* Interrupt ID Register (read only) */
#define STFCR		__REG(0x40700008)  /* FIFO Control Register (write only) */
#define STLCR		__REG(0x4070000C)  /* Line Control Register (read/write) */
#define STMCR		__REG(0x40700010)  /* Modem Control Register (read/write) */
#define STLSR		__REG(0x40700014)  /* Line Status Register (read only) */
#define STMSR		__REG(0x40700018)  /* Reserved */
#define STSPR		__REG(0x4070001C)  /* Scratch Pad Register (read/write) */
#define STISR		__REG(0x40700020)  /* Infrared Selection Register (read/write) */
#define STDLL		__REG(0x40700000)  /* Divisor Latch Low Register (DLAB = 1) (read/write) */
#define STDLH		__REG(0x40700004)  /* Divisor Latch High Register (DLAB = 1) (read/write) */

#define IER_DMAE	(1 << 7)	/* DMA Requests Enable */
#define IER_UUE		(1 << 6)	/* UART Unit Enable */
#define IER_NRZE	(1 << 5)	/* NRZ coding Enable */
#define IER_RTIOE	(1 << 4)	/* Receiver Time Out Interrupt Enable */
#define IER_MIE		(1 << 3)	/* Modem Interrupt Enable */
#define IER_RLSE	(1 << 2)	/* Receiver Line Status Interrupt Enable */
#define IER_TIE		(1 << 1)	/* Transmit Data request Interrupt Enable */
#define IER_RAVIE	(1 << 0)	/* Receiver Data Available Interrupt Enable */

#define IIR_FIFOES1	(1 << 7)	/* FIFO Mode Enable Status */
#define IIR_FIFOES0	(1 << 6)	/* FIFO Mode Enable Status */
#define IIR_TOD		(1 << 3)	/* Time Out Detected */
#define IIR_IID2	(1 << 2)	/* Interrupt Source Encoded */
#define IIR_IID1	(1 << 1)	/* Interrupt Source Encoded */
#define IIR_IP		(1 << 0)	/* Interrupt Pending (active low) */

#define FCR_ITL2	(1 << 7)	/* Interrupt Trigger Level */
#define FCR_ITL1	(1 << 6)	/* Interrupt Trigger Level */
#define FCR_RESETTF	(1 << 2)	/* Reset Transmitter FIFO */
#define FCR_RESETRF	(1 << 1)	/* Reset Receiver FIFO */
#define FCR_TRFIFOE	(1 << 0)	/* Transmit and Receive FIFO Enable */
#define FCR_ITL_1	(0)
#define FCR_ITL_8	(FCR_ITL1)
#define FCR_ITL_16	(FCR_ITL2)
#define FCR_ITL_32	(FCR_ITL2|FCR_ITL1)

#define LCR_DLAB	(1 << 7)	/* Divisor Latch Access Bit */
#define LCR_SB		(1 << 6)	/* Set Break */
#define LCR_STKYP	(1 << 5)	/* Sticky Parity */
#define LCR_EPS		(1 << 4)	/* Even Parity Select */
#define LCR_PEN		(1 << 3)	/* Parity Enable */
#define LCR_STB		(1 << 2)	/* Stop Bit */
#define LCR_WLS1	(1 << 1)	/* Word Length Select */
#define LCR_WLS0	(1 << 0)	/* Word Length Select */

#define LSR_FIFOE	(1 << 7)	/* FIFO Error Status */
#define LSR_TEMT	(1 << 6)	/* Transmitter Empty */
#define LSR_TDRQ	(1 << 5)	/* Transmit Data Request */
#define LSR_BI		(1 << 4)	/* Break Interrupt */
#define LSR_FE		(1 << 3)	/* Framing Error */
#define LSR_PE		(1 << 2)	/* Parity Error */
#define LSR_OE		(1 << 1)	/* Overrun Error */
#define LSR_DR		(1 << 0)	/* Data Ready */

#define MCR_LOOP	(1 << 4)	*/
#define MCR_OUT2	(1 << 3)	/* force MSR_DCD in loopback mode */
#define MCR_OUT1	(1 << 2)	/* force MSR_RI in loopback mode */
#define MCR_RTS		(1 << 1)	/* Request to Send */
#define MCR_DTR		(1 << 0)	/* Data Terminal Ready */

#define MSR_DCD		(1 << 7)	/* Data Carrier Detect */
#define MSR_RI		(1 << 6)	/* Ring Indicator */
#define MSR_DSR		(1 << 5)	/* Data Set Ready */
#define MSR_CTS		(1 << 4)	/* Clear To Send */
#define MSR_DDCD	(1 << 3)	/* Delta Data Carrier Detect */
#define MSR_TERI	(1 << 2)	/* Trailing Edge Ring Indicator */
#define MSR_DDSR	(1 << 1)	/* Delta Data Set Ready */
#define MSR_DCTS	(1 << 0)	/* Delta Clear To Send */

/*
 * IrSR (Infrared Selection Register)
 */
#define IrSR_OFFSET 0x20

#define IrSR_RXPL_NEG_IS_ZERO (1<<4)
#define IrSR_RXPL_POS_IS_ZERO 0x0
#define IrSR_TXPL_NEG_IS_ZERO (1<<3)
#define IrSR_TXPL_POS_IS_ZERO 0x0
#define IrSR_XMODE_PULSE_1_6  (1<<2)
#define IrSR_XMODE_PULSE_3_16 0x0
#define IrSR_RCVEIR_IR_MODE   (1<<1)
#define IrSR_RCVEIR_UART_MODE 0x0
#define IrSR_XMITIR_IR_MODE   (1<<0)
#define IrSR_XMITIR_UART_MODE 0x0

#define IrSR_IR_RECEIVE_ON (\
		IrSR_RXPL_NEG_IS_ZERO | \
		IrSR_TXPL_POS_IS_ZERO | \
		IrSR_XMODE_PULSE_3_16 | \
		IrSR_RCVEIR_IR_MODE   | \
		IrSR_XMITIR_UART_MODE)

#define IrSR_IR_TRANSMIT_ON (\
		IrSR_RXPL_NEG_IS_ZERO | \
		IrSR_TXPL_POS_IS_ZERO | \
		IrSR_XMODE_PULSE_3_16 | \
		IrSR_RCVEIR_UART_MODE | \
		IrSR_XMITIR_IR_MODE)

/*
 * I2C registers
 */
#define IBMR		__REG(0x40301680)  /* I2C Bus Monitor Register - IBMR */
#define IDBR		__REG(0x40301688)  /* I2C Data Buffer Register - IDBR */
#define ICR		__REG(0x40301690)  /* I2C Control Register - ICR */
#define ISR		__REG(0x40301698)  /* I2C Status Register - ISR */
#define ISAR		__REG(0x403016A0)  /* I2C Slave Address Register - ISAR */

#define PWRIBMR		__REG(0x40f00180)  /* Power I2C Bus Monitor Register-IBMR */
#define PWRIDBR		__REG(0x40f00188)  /* Power I2C Data Buffer Register-IDBR */
#define PWRICR		__REG(0x40f00190)  /* Power I2C Control Register - ICR */
#define PWRISR		__REG(0x40f00198)  /* Power I2C Status Register - ISR */
#define PWRISAR		__REG(0x40f001A0)  /* Power I2C Slave Address Register-ISAR */

/* ----- Control register bits ---------------------------------------- */

#define ICR_START	0x1		/* start bit */
#define ICR_STOP	0x2		/* stop bit */
#define ICR_ACKNAK	0x4		/* send ACK(0) or NAK(1) */
#define ICR_TB		0x8		/* transfer byte bit */
#define ICR_MA		0x10		/* master abort */
#define ICR_SCLE	0x20		/* master clock enable, mona SCLEA */
#define ICR_IUE		0x40		/* unit enable */
#define ICR_GCD		0x80		/* general call disable */
#define ICR_ITEIE	0x100		/* enable tx interrupts */
#define ICR_IRFIE	0x200		/* enable rx interrupts, mona: DRFIE */
#define ICR_BEIE	0x400		/* enable bus error ints */
#define ICR_SSDIE	0x800		/* slave STOP detected int enable */
#define ICR_ALDIE	0x1000		/* enable arbitration interrupt */
#define ICR_SADIE	0x2000		/* slave address detected int enable */
#define ICR_UR		0x4000		/* unit reset */
#define ICR_FM		0x8000		/* Fast Mode */

/* ----- Status register bits ----------------------------------------- */

#define ISR_RWM		0x1		/* read/write mode */
#define ISR_ACKNAK	0x2		/* ack/nak status */
#define ISR_UB		0x4		/* unit busy */
#define ISR_IBB		0x8		/* bus busy */
#define ISR_SSD		0x10		/* slave stop detected */
#define ISR_ALD		0x20		/* arbitration loss detected */
#define ISR_ITE		0x40		/* tx buffer empty */
#define ISR_IRF		0x80		/* rx buffer full */
#define ISR_GCAD	0x100		/* general call address detected */
#define ISR_SAD		0x200		/* slave address detected */
#define ISR_BED		0x400		/* bus error no ACK/NAK */

/*
 * Serial Audio Controller
 */
/* FIXME the audio defines collide w/ the SA1111 defines.  I don't like these
 * short defines because there is too much chance of namespace collision
 */
/*#define SACR0		__REG(0x40400000)  /  Global Control Register */
/*#define SACR1		__REG(0x40400004)  /  Serial Audio I 2 S/MSB-Justified Control Register */
/*#define SASR0		__REG(0x4040000C)  /  Serial Audio I 2 S/MSB-Justified Interface and FIFO Status Register */
/*#define SAIMR		__REG(0x40400014)  /  Serial Audio Interrupt Mask Register */
/*#define SAICR		__REG(0x40400018)  /  Serial Audio Interrupt Clear Register */
/*#define SADIV		__REG(0x40400060)  /  Audio Clock Divider Register. */
/*#define SADR		__REG(0x40400080)  /  Serial Audio Data Register (TX and RX FIFO access Register). */


/*
 * AC97 Controller registers
 */
#define POCR		__REG(0x40500000)  /* PCM Out Control Register */
#define POCR_FEIE	(1 << 3)	/* FIFO Error Interrupt Enable */

#define PICR		__REG(0x40500004)  /* PCM In Control Register */
#define PICR_FEIE	(1 << 3)	/* FIFO Error Interrupt Enable */

#define MCCR		__REG(0x40500008)  /* Mic In Control Register */
#define MCCR_FEIE	(1 << 3)	/* FIFO Error Interrupt Enable */

#define GCR		__REG(0x4050000C)  /* Global Control Register */
#define GCR_CDONE_IE	(1 << 19)	/* Command Done Interrupt Enable */
#define GCR_SDONE_IE	(1 << 18)	/* Status Done Interrupt Enable */
#define GCR_SECRDY_IEN	(1 << 9)	/* Secondary Ready Interrupt Enable */
#define GCR_PRIRDY_IEN	(1 << 8)	/* Primary Ready Interrupt Enable */
#define GCR_SECRES_IEN	(1 << 5)	/* Secondary Resume Interrupt Enable */
#define GCR_PRIRES_IEN	(1 << 4)	/* Primary Resume Interrupt Enable */
#define GCR_ACLINK_OFF	(1 << 3)	/* AC-link Shut Off */
#define GCR_WARM_RST	(1 << 2)	/* AC97 Warm Reset */
#define GCR_COLD_RST	(1 << 1)	/* AC'97 Cold Reset (0 = active) */
#define GCR_GIE		(1 << 0)	/* Codec GPI Interrupt Enable */

#define POSR		__REG(0x40500010)  /* PCM Out Status Register */
#define POSR_FIFOE	(1 << 4)	/* FIFO error */

#define PISR		__REG(0x40500014)  /* PCM In Status Register */
#define PISR_FIFOE	(1 << 4)	/* FIFO error */